I second that. Fark.com uses flat comments and it makes it incredibly easy to pick up a discussion of interest at a later time. Vs Slashdot.org, Digg, Reddi

I second that. Fark.com uses flat comments and it makes it incredibly easy to pick up a discussion of interest at a later time. Vs Slashdot.org, Digg, Reddit, or Here where a story can have twice the (possibly even insightful!) comments yet the last comment on the page is still the same from 6 hours earlier.